<!--
  * 展开菜单
  * 
  * @Author:    1024创新实验室-主任：卓大 
  * @Date:      2022-09-06 20:29:12 
  * @Wechat:    zhuda1024 
  * @Email:     lab1024@163.com 
  * @Copyright  1024创新实验室 （ https://1024lab.net ），Since 2012 
-->
<template>
  <div class="menu-container">
    <!-- 顶部导航：取自菜单管理中第一级菜单，建议一级菜单都设为目录 -->
    <TopMenu ref="topMenuRef" :collapsed="collapsed" class="top-menu" />
    <!-- 左侧导航：通过在一级菜单下建立页面或目录实现菜单分组 -->
    <RecursionMenu :collapsed="collapsed" ref="recursionMenuRef" class="recursion-menu" />
  </div>
</template>
<script setup>
import { onMounted, ref, watch, computed } from 'vue';
import { useRoute } from 'vue-router';
import RecursionMenu from './recursion-menu.vue';
import TopMenu from './top-menu.vue';
import { useUserStore } from '/@/store/modules/system/user';

const props = defineProps({
  placeholder: {
    type: String,
    default: '请选择',
  },
  collapsed: {
    type: Boolean,
    required: false,
    default: false,
  },
});

// 选中的顶级菜单
const topMenuRef = ref();
// 二级菜单引用
const recursionMenuRef = ref();

let currentRoute = useRoute();


// 根据路由更新菜单展开和选中状态
function updateSelectKeyAndOpenKey() {
  // 第一步，根据路由 更新选中 顶级菜单
  let parentList = useUserStore().menuParentIdListMap.get(currentRoute.name) || [];
  if (parentList.length === 0) {
    topMenuRef.value.updateSelectKey(currentRoute.name);
    return;
  }
  topMenuRef.value.updateSelectKey(parentList[0].name);

  //第二步，根据路由 更新 二级菜单的selectKey和openKey
  recursionMenuRef.value.updateSelectKeyAndOpenKey(parentList, currentRoute.name);
}

onMounted(updateSelectKeyAndOpenKey);

//监听路由的变化，进行更新菜单展开项目
watch(currentRoute, () => {
  updateSelectKeyAndOpenKey();
});
</script>
<style scoped lang="less">
.menu-container {
  height: 100%;
  position: relative;
}
</style>
